A wireless microphone is also called a wireless microphone. It is composed of several pocket transmitters and a centralized receiver. Each pocket transmitter has a different working frequency. The centralized receiver can receive the different signals from each pocket transmitter at the same time. The voice signal of the working frequency, it is mainly used in occasions such as stage and podium. But generally this kind of radio products need to apply for CE-RED certification if they want to export.

Introduction to CE-RED certification

 The CE (Conformite Europeenne, European Union) mark is a safety certification mark, which is regarded as a passport for manufacturers to open and enter the European market. CE-RED certification is abbreviated as Red certification (European wireless product certification), and the purpose is that wireless products entering Europe must pass this test certification.

In the EU market, the CE mark is a compulsory certification mark. All products with the CE mark can be sold in the member states of the European Union (EU CE certification), without having to meet the requirements of each member state, thus realizing the scope of the products in the EU member states Free circulation within.

CE-RED certification test standards for wireless microphones

Electrical Safety (LVD): EN 62368-1:2014+A11:2017.

Electromagnetic compatibility (EMC): EN 301489-1 V2.2.3 (General Provisions), EN 301489-17 V3.2.0 (Bluetooth, WALN).

Radio Frequency (RF): EN 300328 V2.2.2.

Health (SAR): EN 62479:2010 (or EN 50663:2017, less than 20mW can be excluded).

Materials to be prepared for CE-RED certification application for wireless microphones

1. User manual, circuit schematic diagram

2. Circuit block diagram (Block Diagram, also called module function diagram)

3. Circuit layout diagram (PCB LAYOUT), circuit layout diagram (PCB placement)

4. Operation description (explanation of block diagram), component list (BOM LIST)

5. 8. label, antenna specification (or antenna gain diagram)

6. Charger LVD report, fixed-frequency software (also called fixed-frequency program. The transmitter module can be set to transmit continuously at a certain frequency point, generally BT and WIFI must be provided)

Wireless microphone CE-RED certification process

1. Project application-submit an application for CE certification to the supervision of the testing agency.

2. Document preparation-according to CE certification requirements, the company prepares relevant certification documents.

3. Product testing-the company sends the samples to be tested to the laboratory for testing.

4. Compilation report-The certified engineer compiles the report based on the qualified test data.

5. Submit for review-the engineer will review the complete report.

6. Certificate issuance-CE certification will be issued after the report is verified.

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